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GM GLOBAL TECHNOOLOGY OPERATIONS, INC.

GM GLOBAL TECHNOOLOGY OPERATIONS, INC. Patent applications
Patent application numberTitlePublished
20100300387SYSTEM AND METHOD FOR DETERMINING A CAMSHAFT POSITION IN A VARIABLE VALVE TIMING ENGINE - A control module and system includes a camshaft position module that determines a camshaft position change of a crankshaft. The control module also includes a cam phaser velocity module determines a cam phaser velocity based on the camshaft position change. A cam phaser velocity module determines a compensation factor based on the cam phaser velocity. A cam position compensation module generates a corrected cam position signal based on the compensation factor.12-02-2010